Rabbit Player vs good music machine

Rabbit Player is simple and useful music player using iPod Library. [Caution]: Rabbit Player does not support Apple Music and iTunes Match. Features : - Play music by Play Queue - Auto Play Queue generation - Cross-Fade Playback - Unify multiple disc album into one album - Shuffle by albums - Create playlists and tags (only available in Rabbit Player) - The playlists and tags can sync with iCloud - Sort and filter songs - Disable album artwork in lock screen - Theme Color - Dark Mode (dark background color) - AirPlay - Like Button - Random shuffle (Biased with play count, like count, etc) - Equalizer - Reverb - Play count recording (for Rabbit Player) - iOS Notification - Custom URL Scheme

good music machine is made for people who love a well organized library and wish the column browser was available on iOS. - Play music in your local or cloud library
- Play mp3 or m4a files in a local or iCloud drive folder
- A folder of files uses the files’ metadata to build your library.
- iCloud files can be downloaded to your device for offline play. - Supports CarPlay - Uses logical columns (genre, album, artist) for finding your music - You can search any of the lists - You can turn off the genre column - Optionally you can filter using an additional composer column for classical music (or any genre you prefer) - You can browse your albums by album art or just text If you have questions, comments, feedback or found a bug, feel free to contact me! Note: good music machine is not entirely free. 
The first 25 artists for both the music library or a folder of files are free.
If you want to use a bigger library you can take a subscription for $0,99 per year with a 1 month trial for new users. 
Using a subscription model supports future development. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/